EAs in the SURFACE_MATERIAL group

EAC_ACCUM_PRECIP	EAC_ACCUM_PRECIP_24_HOUR	EAC_ACCUM_PRECIP_24_HOUR_DENSITY	EAC_ACCUM_PRECIP_3_HOUR
EAC_ACCUM_PRECIP_3_HOUR_DENSITY	EAC_ACCUM_PRECIP_6_HOUR	EAC_ACCUM_PRECIP_6_HOUR_DENSITY	EAC_CHEMICAL_AGENT_SURFACE_CONCENTRATION
EAC_LAND_TRANSPORTATION_ROUTE_SURFACE_TYPE	EAC_LEFT_BANK_SOIL_CONE_INDEX	EAC_LIGHT_ICE_ACCRETION_PROBABILITY	EAC_RADAR_SIGNIFICANCE_FACTOR
EAC_RADIOLOGIC_AGENT_SURFACE_CONCENTRATION	EAC_RIGHT_BANK_SOIL_CONE_INDEX	EAC_ROOF_PREDOMINANT_SURFACE_MATERIAL	EAC_SNOW_ACCUM_DEPTH
EAC_SNOW_ACCUM_DEPTH_EQUIVALENT	EAC_SNOW_DENSITY	EAC_SNOW_DEPTH_CATEGORY	EAC_SNOW_DRIFT_HEIGHT
EAC_SNOW_MELTING_RATE	EAC_SNOW_ONLY_DEPTH	EAC_SURFACE_MATERIAL_TYPE	EAC_TOTAL_SNOW_ICE_DEPTH
EAC_TOTAL_SNOW_ICE_DEPTH_EQUIVALENT	EAC_WALL_PREDOMINANT_SURFACE_MATERIAL	EAC_WATERBODY_FLOOR_MATERIAL_TYPE